BUG_ON() is rather useless for debugging as it leads to panic(). Use WARN_ON() and handle the error cases accordingly.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/soc/txx9/txx9aclc.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/sound/soc/txx9/txx9aclc.c b/sound/soc/txx9/txx9aclc.c index 45a6428cba8d..fbd077f4de72 100644 --- a/sound/soc/txx9/txx9aclc.c +++ b/sound/soc/txx9/txx9aclc.c @@ -115,8 +115,8 @@ static void txx9aclc_dma_complete(void *arg) spin_lock_irqsave(&dmadata->dma_lock, flags); if (dmadata->frag_count >= 0) { dmadata->dmacount--; - BUG_ON(dmadata->dmacount < 0); - tasklet_schedule(&dmadata->tasklet); + if (!WARN_ON(dmadata->dmacount < 0)) + tasklet_schedule(&dmadata->tasklet); } spin_unlock_irqrestore(&dmadata->dma_lock, flags); } @@ -181,7 +181,10 @@ static void txx9aclc_dma_tasklet(unsigned long data) spin_unlock_irqrestore(&dmadata->dma_lock, flags); return; } - BUG_ON(dmadata->dmacount >= NR_DMA_CHAIN); + if (WARN_ON(dmadata->dmacount >= NR_DMA_CHAIN)) { + spin_unlock_irqrestore(&dmadata->dma_lock, flags); + return; + } while (dmadata->dmacount < NR_DMA_CHAIN) { dmadata->dmacount++; spin_unlock_irqrestore(&dmadata->dma_lock, flags);